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2,6-Dichloroindophenol sodium

HCID 23697355
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Basic information

CAS
620-45-1
Standard SMILES
O=C1C(Cl)=CC(=Nc2ccc([O-])cc2)C=C1Cl.[Na+]
InChIKey
CVSUAFOWIXUYQA-UHFFFAOYSA-M
Molecular formula
C12H6Cl2NNaO2
Average molar mass
290.07 g/mol
Monoisotopic mass
288.9673281

Overview

2,6-Dichlorophenolindophenol sodium salt is an organic molecular entity.

Names & identifiers

Preferred name
2,6-Dichloroindophenol sodium
IUPAC
sodium 4-[(3,5-dichloro-4-oxocyclohexa-2,5-dien-1-ylidene)amino]phenolate
English name
2,6-Dichloroindophenol sodium salt
Molecular formula
C12H8Cl2NNaO2
Molecular weight
291.09

Names & synonyms

620-45-12,6-Dichloroindophenol sodium saltTillman's reagent2,6-Dichloroindophenol sodiumSodium 2,6-dichloroindophenolateSodium 2,6-dichloroindophenolIndophenol, 2,6-dichloro-, sodium salt2,6-Dichlorophenol indophenol sodium saltTillman ReagentKAD7Q8XO1YReagent, TillmansTillmans' Reagent
Show more names
2,6-DICHLOROPHENOLINDOPHENOL SODIUM SALTTillmansDCIP (sodium)DCIP sodium ≥98%2,6-Dichlorophenolin6-DichloroindophenolLABOTEST-BB LT001598162,6-Dichlroindophenol Na
2,5-Cyclohexadien-1-one, 2,6-dichloro-4-((4-hydroxyphenyl)imino)-, sodium saltDTXSID30889360NSC-11217NSC-178422,5-Cyclohexadien-1-one, 2,6-dichloro-4-[(4-hydroxyphenyl)imino]-, sodium saltReagent, Tillmans'RefChem:445468Sodium 2,6 Dichloroindophenol

Database identifiers

CAS

Properties

Computed structural properties

Topological polar surface area
52.5 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
3
Rotatable bonds
1
Heavy atoms
18
Formal charge
0
Complexity
400

Experimental & physicochemical properties

Chemical ClassesNitrogen Compounds -> Other Aromatics (Nitrogen)
Solubility>43.5 [ug/mL] (The mean of the results at pH 7.4)
Physical DescriptionDark green solid; [Merck Index] Dark green crystalline powder; [Carolina Biological Supply MSDS]

Physicochemical properties

Melting point
300 °C · >300°C
vapor density
11.2 · 11.2 (vs air)
storage temp.
Store at room temperature.
form
Powder/Solid
color
Dark green
Odor
Odorless
Water Solubility
Soluble in water.
Sensitive
Light Sensitive
Merck
14 · 14,3068
BRN
3641229 · 3641229
Stability
Stable. Incompatible with strong oxidizing agents, strong reducing agents. Air and moisture sensitive. Hygroscopic.

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 5 items

This chemical does not meet GHS hazard criteria for 14.3% (1 of 7) of reports.

Warning

H302 (14.3%): Harmful if swallowed [Warning Acute toxicity, oral]

P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 7 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 2 items

Chemical: 2,5-Cyclohexadien-1-one, 2,6-dichloro-4-[(4-hydroxyphenyl)imino]-, sodium salt

2,5-Cyclohexadien-1-one, 2,6-dichloro-4-[(4-hydroxyphenyl)imino]-, sodium salt: Does not have an individual approval but may be used under an appropriate group standard

Hazards SummaryMay cause irritation; Harmful by ingestion and inhalation; [Carolina Biological Supply MSDS]
Hazard Classes and CategoriesAcute Tox. 4 (14.3%)

Safety data

F
8
wgk
3
tsca
TSCA listed
rtecs
GU5495000
hs_code
29252000
risk_code
36/37/38
Signal word
Warning
Symbol(GHS)
GHS07

Chemistry & industry

Pharmacology

MeSH Pharmacological Classification · 1 item

Substances used for the detection, identification, analysis, etc. of chemical, biological, or pathologic processes or conditions. Indicators are substances that change in physical appearance, e.g., color, at or approaching the endpoint of a chemical titration, e.g., on the passage between acidity and alkalinity. Reagents are substances used for the detection or determination of another substance by chemical or microscopical means, especially analysis. Types of reagents are precipitants, solvents, oxidizers, reducers, fluxes, and colorimetric reagents. (From Grant & Hackh's Chemical Dictionary, 5th ed, p301, p499)

Uses & manufacturing

UsesUsed as an analytical reagent for ascorbic acid; [Merck Index]
General Manufacturing Information2,5-Cyclohexadien-1-one, 2,6-dichloro-4-[(4-hydroxyphenyl)imino]-, sodium salt (1:1): ACTIVE

Applications

UsesA redox indicator dye.

Upstream & downstream products

Upstream raw materials

Diethylene glycolSodium dithioniteSodium acetateSodium hypochloriteManganese dioxidePhenol2,6-Dichlorophenol

Related reactions

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Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
More actions
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620-45-1
PubChem CID
23697355
DTXSID
DTXSID30889360
ChEMBL
CHEMBL1476089
ChEBI
CHEBI:948
UNII
KAD7Q8XO1Y
EC Number
210-640-4
Nikkaji
J9.444G
InChI
InChI=1S/C12H7Cl2NO2.Na.H/c13-10-5-8(6-11(14)12(10)17)15-7-1-3-9(16)4-2-7;;/h1-6,16H;;
InChIKey
BKUKEFKAUWOESM-UHFFFAOYSA-N
SMILES
N(/C1C=CC(O)=CC=1)=C1/C=C(Cl)C(=O)C(Cl)=C/1.[NaH]
CAS DataBase Reference
620 · 620-45-1(CAS DataBase Reference)
EWG's Food Scores
1 · 1
FDA UNII
7 Q8XO1Y · KAD7Q8XO1Y
EPA Substance Registry System
2 · 2,5-Cyclohexadien-1-one, 2,6-dichloro-4-[(4-hydroxyphenyl)imino]-, sodium salt (620-45-1)
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
315 · H315-H319-H335
Precautionary statements
261 · P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes
Xi
Risk Statements
36 · 36/37/38
Safety Statements
22 · 22-24/25-36-26
WGK Germany
3 · 3
RTECS
5495000 · GU5495000
F
8 · 8
TSCA
TSCA listed
HS Code
29252000 · 29252000
hazard_code
Xi
safety_code
22-24/25-36-26
Hazard statements
H315-H319-H335
Precautionary statements
P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hydrochloric acid
4-Nitrophenol
Potassium chlorate
Sodium hydroxide
2,6-Dichloroquinone-4-chloroimide

Downstream products

2,6-Dichloroindophenol sodium salt hydrate

Additional notes

DefinitionChEBI: 2,6-Dichlorophenolindophenol sodium salt is an organic molecular entity.